/Engine/Source/Runtime/AIModule/Classes/BehaviorTree/Blackboard/BlackboardKeyType.h
key instance if bCreateKeyInstance was set
const [UBlackboardKeyType](API\Runtime\AIModule\BehaviorTree\Blackboard\UBlackboardKeyType) * GetKeyInstance ( const [UBlackboardComponent](API\Runtime\AIModule\BehaviorTree\UBlackboardComponent) & OwnerComp, const uint8 * MemoryBlock ) const